Easy Distracted

I'm in the lab today. I got distracted. Here's what distracted me.

To the optimist, the glass is half full.
To the pessimist, the glass is half empty.
To the engineer, the glass is twice as big as it needs to be.

Q: What is the difference between Mechanical Engineers and Civil Engineers?
A: Mechanical Engineers build weapons, Civil Engineers build targets.

Q: How can you tell an extroverted engineer?
A: When he talks to you, he looks at your shoes instead of his own.